Toaru Kagaku no Railgun: Breaking the Theme Limit (とある科学の超電磁砲 作品カラーの限界突破,Toaru Kagaku no Rērugan: Sakuhin Karā no Genkai Toppa?) is a story written by Kamachi Kazuma that was published on one of the Dengeki Story Trading Cards 2012. This trading card was released during the "Dengeki Bunko Bucchigiri! Breaking Limits!! Fair" (電撃文庫ぶっちぎり!限界突破!!フェア,"Dengeki Bunko Bucchigiri! Breaking Limits!! Fair"?) that celebrated the 20th anniversary of ASCII Media Works.[1] Those who bought a light novel published by Dengeki Bunko with a special paper strip wrapping from specific bookshops would be randomly given a story trading card. The specific Toaru Kagaku no Railgun could be collected from the October activity. It is later included in Super! Dengeki Bunko.
